question_answer

The area of a triangular field in the shape of a right triangle is \[400\,sq.m.\] where base and altitude are in the ratio \[2:1\]. Find the perimeter.

A)  \[20\left( 3+\sqrt{5} \right)m\]           

B)  \[100\,m\]

C)  \[20\left( 3-\sqrt{5} \right)m\] 

D)  \[20\left( 3+2\sqrt{5} \right)m\]

Correct Answer: A

Solution :

(a)